Home / 7,898.07-11,843.82-3,214.91

Finding the Fourth Proportional to 7,898.07, 11,843.82 and 3,214.91

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Solution

The fourth proportional to 7,898.07, 11,843.82 and 3,214.91 is: 4,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.07 : 11,843.82 = 3,214.91 : x
  2. Step 2: Convert to fraction form
    7,898.07/11,843.82 = 3,214.91/x
  3. Step 3: Cross multiply
    7,898.07x = 11,843.82 × 3,214.91
  4. Step 4: Simplify right side
    7,898.07x = 38,076,828.89
  5. Step 5: Solve for x
    x = 38,076,828.89/7,898.07
  6. Step 6: Final answer
    x = 4,821.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.